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LB11691

Sanyo Semicon Device
Part Number LB11691
Manufacturer Sanyo Semicon Device
Description Monolithic digital IC Pre-Driver IC
Published Mar 20, 2010
Detailed Description Ordering number : ENA0879 www.DataSheet4U.com LB11691 Overview Monolithic digital IC Pre-Driver IC for Brushless Mot...
Datasheet PDF File LB11691 PDF File

LB11691
LB11691


Overview
Ordering number : ENA0879 www.
DataSheet4U.
com LB11691 Overview Monolithic digital IC Pre-Driver IC for Brushless Motor Drive in Electric Bicycles The LB11691 are three-phase bipolar PWM drive pre-driver ICs that allow the output circuits to be implemented using only n-channel FETs.
These ICs can implement, at low cost, high-efficiency drive circuits in applications that use motors that require high drive currents.
These ICs include a built-in Hall sensor signal F/V conversion circuit and can provide a voltage that is proportional to motor speed for use, for example, in speedometers for electric bicycles.
These ICs also support use in applications that holds the speed controlled at a constant rate as the load varies.
Features • Three-phase bipolar PWM drive (high and low side n-channel FET drive) • Maximum supply voltage : 45V • Gate drive voltage : about 10V (high and low side n-channel FETs) • Hall sensor signal F/V conversion circuit (one-shot multivibrator output) • Synthesized three-phase Hall sensor signal output • Built-in current limiter and undervoltage protection circuits Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Supply voltage 1 Supply voltage 2 Output current 1-1 Output current 2-1 Output current 2-2 RF pin application voltage LVS pin application voltage Symbol VCC max VB max IO max1 IO max2-1 IO max2-2 VRF max VLVS max VCC pin VB pin UL, VL, and WL pins UH, VH, and WH pins sink current UH, VH, and WH pins source current Conditions Ratings 45 60 50 30 40 4 60 Unit V V mA mA mA V V Continued on next page.
Any and all SANYO Semiconductor Co.
,Ltd.
products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.
).
The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospac...


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